Definitely NOT true. There is no research or evidence to back it up... especially not in the psychology field.
I don't know who started that myth, but it's amazing how many people have heard it and believe it. Dreams are selfish. They are expressions of your feelings about what's most important to you in your waking life. If you dream about someone, it means that he/she is on your mind, either literally or symbolically. It doesn't work the other way around, except perhaps by coincidence.